CH64952A
(en )
1914-05-01
Process for the production of photographs with a copperplate-like effect
CH65639A
(en )
1914-07-01
Process for making sacks
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH63494A
(en )
1914-02-02
Process for the production of components
CH60359A
(en )
1913-07-16
Process for the production of posters
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH62853A
(en )
1913-12-16
Process for the production of paints
CH64710A
(en )
1914-04-16
Process for the production of paints
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH73203A
(en )
1916-09-01
Process for the production of relief maps with printing
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH59877A
(en )
1913-06-02
Process for the production of embroidery templates
CH57546A
(en )
1913-01-16
Process for the production of size
CH56613A
(en )
1912-11-16
Process for the production of posters with deep embossing
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose
CH61431A
(en )
1913-09-16
Process for the production of papers with a parchment-like character
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
CH60351A
(en )
1913-07-01
Process for the production of mold plates
CH71191A
(en )
1915-12-01
Process for the production of methyl chloride
CH67258A
(en )
1914-11-16
Process for the production of artificial sponge
CH66334A
(en )
1914-09-01
Process for the production of printing plates
CH63594A
(en )
1914-02-02
Process for the production of writing boards